How to find mean in theta-direction?

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Patcharawat Charoen-amornkitt
评论： Patcharawat Charoen-amornkitt 2022-9-19
I have data store in [x,y,z] format where matrices x [100x100] and y [100x100] store the coordinates and matrix z [100x100] is the value I would like to average. Basically, I would like to create a 1D distribution of z in r-direction. However, I am not sure how to perform averaging in the theta-direction. Any help would be greatly appreciated

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Matt J
Matt J 2022-9-19
编辑：Matt J 2022-9-19
[theta,rho]=cart2pol(x,y);
G=discretize(rho,___); %fill in the blank with desired binning specs
zMean=splitapply(@mean,z(:),G(:));

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